Iohexol

Iohexol Identification Name Iohexol Synonyms 5-[N-(2,3-Dihydroxypropyl)acetamido]-2,4,6-triiodo-N,N'-bis(2,3-dihydroxypropyl)isophthalamide Molecular Formula C19H26I3N3O9 Molecular Weight 821.14 CAS Registry Number 66108-95-0 EINECS 266-164-2 Safety Description S22;S24/25 Packaging & Delivery Packaging Detail: Outer package: Iron, plastic or fiber drum; Inner package: Polyethylene bag; Net weight: 25kg/drum Delivery Detail within 7days Specifications 1:Quality Level: enterprise standards 2:Purity: 98%-102.0% 3.Appearance: White or off-white hygroscopic, Packing : Outer package: Iron, plastic or fiber drum; Inner package: Polyethylene bag; Net weight: 25kg/drum Enterprise standards Test Item Analysis Specification Result Color of solution 400nm ≤ 0.180 420nm ≤ 0.030 Conforms Specific rotation -0.5°~+0.5 ° 0° Identification IR spectrum UV spectrum TLC spectrum Violet vapors are evolved Conforms Ionic compounds ≤ 0.01% 0.005% Free iodine Complies with standards Conforms Free iodine ≤ 0.001% 0.0002% 3-chloro-1,2-propancediol Not more than 0.00025% Conforms Methanol ≤0.005% Conforms Isopropyl alcohol ≤0.0005% Conforms Free aromatic amine ≤0.05% 0.009% Methoxyethanol ≤0.002% Conforms Heavy metal ≤0.001% Conforms Water ≤3.0% 0.64% Related compounds Any individual impurity ≤0.1% All impurity ≤0.3 % O-alkylated compound ≤0.6% Conforms 0.1% 0.3% CS content 98%-102.0% 98.9% Conclusion The result conforms to enterprise standards.